From October 8-12, 2025, Mazatlán will host the 9th edition of the ISPS Efrén Fierros International! With limited spots and five competitive categories, this iconic tournament promises elite slow-pitch action at the Playa Bonita Hotel.
The International Slow Pitch Softball (ISPS) community is heading back to paradise. From October 8-12, 2025, the stunning coastline of Mazatlán, Mexico, will once again host the ISPS Slow Pitch Internacional – Efrén Fierros 9na Edición, bringing together elite talent and rising stars from across the globe.
This annual event, named in honor of Efrén Fierros, has grown into one of the premier international competitions in the slow-pitch world. Organized by ISPS Mexico and sanctioned by the International Slow Pitch Softball (ISPS) governing body, the tournament will be held at the scenic Playa Bonita Hotel, blending competitive edge with the vibrant culture and beauty of Mazatlán.
The tournament boasts limited slots in five thrilling categories, each capped at just eight teams to preserve high-level play:
Varonil A (Men's A): 8 teams
Varonil B (Men's B): 8 teams
A Femenil (Women’s A): 8 teams
B Femenil (Women’s B): 8 teams
D Novatas y Principiantes (Beginner Women's, assisted pitching): 8 teams
This format allows new and veteran athletes alike to shine under the Mazatlán sun, all while connecting with an international softball family.
“This tournament isn’t just a competition—it’s a celebration of the sport and the people who love it,” said ISPS Commissioner Manuel T. Ferrero III. “We’re proud to support and promote opportunities like this for athletes around the world. Events like Mazatlán’s Efrén Fierros edition are proof that ISPS is creating global platforms for slow-pitch excellence.”
For many teams, this tournament marks a rare chance to represent their region on an international stage while gaining exposure, networking opportunities, and unforgettable memories. And with ISPS continuing to elevate its presence worldwide, these events are pivotal in shaping the future of the sport.
Not to mention—Mazatlán in October? Expect a perfect fusion of softball action, ocean views, and cultural vibrancy.
Whether you’re chasing a championship or the experience of a lifetime, ISPS has once again created an event worth circling on your calendar.
For full registration info and more details, visit playisps.com/news.
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